/Engine/Plugins/Online/OnlineServicesEOS/Source/Public/Online/AuthEOS.h
[TFuture](API\Runtime\Core\Async\TFuture)< [FAccountId](API\Runtime\CoreOnline\Online\FAccountId) > ResolveAccountId ( const [FAccountId](API\Runtime\CoreOnline\Online\FAccountId) & LocalAccountId, const [EOS_EpicAccountId](API\Plugins\OnlineServicesEOS\Online\EOS_EpicAccountId) EpicAccountId )